AQA C9.3 Atmospheric Pollutants

Which process is a major source of atmospheric pollutants

• combustion

• photosynthesis

• thermal decomposition

• reduction reactions

Which of these elements is NOT found in most fuels

• carbon

• hydrogen

• sulphur

• nitrogen

Which gas is NOT usually produced during combustion

• carbon dioxide

• ammonia

• water vapour

• sulphur dioxide

What is the name for the process where a fuel burns without enough oxygen?

• incomplete combustion

• thermal decomposition

• complete combustion

• oxidation

Which of these is a toxic gas?

• nitrogen

• oxygen

• carbon dioxide

• carbon monoxide

What is an issue caused by sulphur dioxide?

• Acid rain

• Global warming

• Global dimming

• ozone layer damage

What causes oxides of nitrogen form?

• Impurities in fuels

• heat of car engines

• acid rain

• particulates from incomplete combustion

Which of these gases would NOT cause respiratory problems

• sulphur dioxide

• carbon dioxide

• nitrogen dioxide

• nitric oxide

What causes global dimming?

• Impurities in fuels

• heat of car engines

• acid rain

• particulates from incomplete combustion

Why is it difficult to detect carbon monoxide?

• It is a gas

• It is colourless and odourless

• It has a high density

• It has a low density